1,display day countdown 2, Display usage:total 3 digital 8' red led display Specification:1,display day countdown2, ... Display usage:total 3 digital 8” red led display.3, Frame:black aluminum alloy,left and ... 1,Total 3 digital 7-segment led display show 3 digital days countdown and countup,display format is DDD2, ... When it countdown to 00:00:00,it will subtract ...